Big Block Chevy 481x Mild Steel Header Flange
AJPE 481x Mild Steel Header Flange
Precision laser cut form 3/8" thick steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are compatible with the aftermarket Alan Johnson Performance Engineering 481x cylinder heads.
We have these available in 2 1/8" or 2 1/2" port sizes.�
We carry over 250 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.
Flanges sold separately.
- Item Requires Shipping
- 3.0 lbs.
- W5.0000” x H5.0000” x L21.0000”
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